nitrogen purifier氮气: nitrogen; nitrogen gas提纯器: purifier氧气提纯器: osublimator提纯器: cleanser; deionizer; purer; purifier; purifying agent; refiner; treater黄金提纯器: gold sublimator下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:氮气提纯器,即可在微信中查询翻译